Several Eastern Shore counties have withdrawn from an appeal of Maryland’s recertification for the Conowingo Dam, a challenge that the state feared could jeopardize a $340 million settlement with Constellation, the dam’s owner. The Cambridge Spy reports the deal resolved years of legal wrangling between the dam owner and the state, plus waterkeeper groups that intervened in the litigation. In exchange for recertification — which is needed for Constellation to get a 50-year license from the Federal Energy Regulatory Commission to keep operating the hydropower plant at the dam — Maryland is set to receive $340 million from Constellation for environmental projects at the site. Dorchester and Kent counties opted to abandon the administrative appeal.